Figure 1From: HER2 and ESR1 mRNA expression levels and response to neoadjuvant trastuzumab plus chemotherapy in patients with primary breast cancerConsort statement indicating the flow of samples through the study. HER2, human epidermal growth factor receptor 2; FFPE, formalin-fixed paraffin-embedded; Ct, cycle threshold; ESR1, estrogen receptor 1; RT-PCR, real-time polymerase chain reaction.Back to article page